Finding the Fourth Proportional to 135,436.60, 202,694.10 and 118,847.80
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Solution
The fourth proportional to 135,436.60, 202,694.10 and 118,847.80 is: 177,867.34
Step by Step Solution
- Step 1: Write the proportion equation
135,436.60 : 202,694.10 = 118,847.80 : x - Step 2: Convert to fraction form
135,436.60/202,694.10 = 118,847.80/x - Step 3: Cross multiply
135,436.60x = 202,694.10 × 118,847.80 - Step 4: Simplify right side
135,436.60x = 24,089,747,857.98 - Step 5: Solve for x
x = 24,089,747,857.98/135,436.60 - Step 6: Final answer
x = 177,867.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.